Gene Transfer in Plants
In a plant tumour cell

complete Ti plasmid is incorporated in plant nuclear DNA
may vary from plant to plant
different parts of the Ti-plasmid are incorporated
only a small specific segment of callus T DNA is incorporated

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Gene Transfer in Plants
Crown gall tissue

can be cultivated in vitro in absence of bacteria
shows tumorous properties only in presence of bacteria
both (a) and (b)
retains tumorous properties when cultivated

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Gene Transfer in Plants
Opines are

None of these
amino acid derivatives found in tumor tissues
amino acid derivatives found in normal tissues
amino acid derivatives found in both normal as well as tumor tissues

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